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package com.android.settings;
import android.app.Activity;
import android.app.AlertDialog;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneFactory;
import android.os.Bundle;
import android.os.Message;
import android.os.Handler;
import android.os.AsyncResult;
import android.util.Log;
import android.content.DialogInterface;
import android.view.View;
import android.view.WindowManager;
import android.view.Window;
import android.widget.ListView;
import android.widget.ArrayAdapter;
import android.widget.AdapterView;
/**
* Radio Band Mode Selection Class
*
* It will query baseband about all available band modes and display them
* in screen. It will display all six band modes if the query failed.
*
* After user select one band, it will send the selection to baseband.
*
* It will alter user the result of select operation and exit, no matter success
* or not.
*
*/
public class BandMode extends Activity {
private static final String LOG_TAG = "phone";
private static final boolean DBG = false;
private static final int EVENT_BAND_SCAN_COMPLETED = 100;
private static final int EVENT_BAND_SELECTION_DONE = 200;
private static final String[] BAND_NAMES = new String[] {
"Automatic",
"EURO Band",
"USA Band",
"JAPAN Band",
"AUS Band",
"AUS2 Band"
};
private ListView mBandList;
private ArrayAdapter mBandListAdapter;
private BandListItem mTargetBand = null;
private DialogInterface mProgressPanel;
private Phone mPhone = null;
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.band_mode);
setTitle(getString(R.string.band_mode_title));
getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT,
WindowManager.LayoutParams.WRAP_CONTENT);
mPhone = PhoneFactory.getDefaultPhone();
mBandList = (ListView) findViewById(R.id.band);
mBandListAdapter = new ArrayAdapter<BandListItem>(this,
android.R.layout.simple_list_item_1);
mBandList.setAdapter(mBandListAdapter);
mBandList.setOnItemClickListener(mBandSelectionHandler);
loadBandList();
}
private AdapterView.OnItemClickListener mBandSelectionHandler =
new AdapterView.OnItemClickListener () {
public void onItemClick(AdapterView parent, View v,
int position, long id) {
getWindow().setFeatureInt(
Window.FEATURE_INDETERMINATE_PROGRESS,
Window.PROGRESS_VISIBILITY_ON);
mTargetBand = (BandListItem) parent.getAdapter().getItem(position);
if (DBG) log("Select band : " + mTargetBand.toString());
Message msg =
mHandler.obtainMessage(EVENT_BAND_SELECTION_DONE);
mPhone.setBandMode(mTargetBand.getBand(), msg);
}
};
static private class BandListItem {
private int mBandMode = Phone.BM_UNSPECIFIED;
public BandListItem(int bm) {
mBandMode = bm;
}
public int getBand() {
return mBandMode;
}
public String toString() {
if (mBandMode >= BAND_NAMES.length) return "Band mode " + mBandMode;
return BAND_NAMES[mBandMode];
}
}
private void loadBandList() {
String str = getString(R.string.band_mode_loading);
if (DBG) log(str);
//ProgressDialog.show(this, null, str, true, true, null);
mProgressPanel = new AlertDialog.Builder(this)
.setMessage(str)
.show();
Message msg = mHandler.obtainMessage(EVENT_BAND_SCAN_COMPLETED);
mPhone.queryAvailableBandMode(msg);
}
private void bandListLoaded(AsyncResult result) {
if (DBG) log("network list loaded");
if (mProgressPanel != null) mProgressPanel.dismiss();
clearList();
boolean addBandSuccess = false;
BandListItem item;
if (result.result != null) {
int bands[] = (int[])result.result;
int size = bands[0];
if (size > 0) {
for (int i=1; i<size; i++) {
item = new BandListItem(bands[i]);
mBandListAdapter.add(item);
if (DBG) log("Add " + item.toString());
}
addBandSuccess = true;
}
}
if (addBandSuccess == false) {
if (DBG) log("Error in query, add default list");
for (int i=0; i<Phone.BM_BOUNDARY; i++) {
item = new BandListItem(i);
mBandListAdapter.add(item);
if (DBG) log("Add default " + item.toString());
}
}
mBandList.requestFocus();
}
private void displayBandSelectionResult(Throwable ex) {
String status = getString(R.string.band_mode_set)
+" [" + mTargetBand.toString() + "] ";
if (ex != null) {
status = status + getString(R.string.band_mode_failed);
} else {
status = status + getString(R.string.band_mode_succeeded);
}
mProgressPanel = new AlertDialog.Builder(this)
.setMessage(status)
.setPositiveButton(android.R.string.ok, null).show();
}
private void clearList() {
while(mBandListAdapter.getCount() > 0) {
mBandListAdapter.remove(
mBandListAdapter.getItem(0));
}
}
private void log(String msg) {
Log.d(LOG_TAG, "[BandsList] " + msg);
}
private Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
AsyncResult ar;
switch (msg.what) {
case EVENT_BAND_SCAN_COMPLETED:
ar = (AsyncResult) msg.obj;
bandListLoaded(ar);
break;
case EVENT_BAND_SELECTION_DONE:
ar = (AsyncResult) msg.obj;
getWindow().setFeatureInt(
Window.FEATURE_INDETERMINATE_PROGRESS,
Window.PROGRESS_VISIBILITY_OFF);
if (!isFinishing()) {
displayBandSelectionResult(ar.exception);
}
break;
}
}
};
}
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